XCode project for app, moved app project to folder

SideStoreApp/Sources/Cargo/swiftlint/Helpers/Benchmark.swift

@@ -0,0 +1,52 @@
+import Foundation
+import SwiftLintFramework
+
+struct BenchmarkEntry {
+    let id: String
+    let time: Double
+}
+
+struct Benchmark {
+    private let name: String
+    private var entries = [BenchmarkEntry]()
+
+    init(name: String) {
+        self.name = name
+    }
+
+    mutating func record(id: String, time: Double) {
+        guard id != "custom_rules" else { return }
+        entries.append(BenchmarkEntry(id: id, time: time))
+    }
+
+    mutating func record(file: SwiftLintFile, from start: Date) {
+        record(id: file.path ?? "<nopath>", time: -start.timeIntervalSinceNow)
+    }
+
+    func save() {
+        // Decomposed to improve compile times
+        let entriesDict: [String: Double] = entries.reduce(into: [String: Double]()) { accu, idAndTime in
+            accu[idAndTime.id] = (accu[idAndTime.id] ?? 0) + idAndTime.time
+        }
+        let entriesKeyValues: [(String, Double)] = entriesDict.sorted { $0.1 < $1.1 }
+        let lines: [String] = entriesKeyValues.map { id, time -> String in
+            return "\(numberFormatter.string(from: NSNumber(value: time))!): \(id)"
+        }
+        let string: String = lines.joined(separator: "\n") + "\n"
+        let url = URL(fileURLWithPath: "benchmark_\(name)_\(timestamp).txt", isDirectory: false)
+        try? string.data(using: .utf8)?.write(to: url, options: [.atomic])
+    }
+}
+
+private let numberFormatter: NumberFormatter = {
+    let formatter = NumberFormatter()
+    formatter.numberStyle = .decimal
+    formatter.minimumFractionDigits = 3
+    return formatter
+}()
+
+private let timestamp: String = {
+    let formatter = DateFormatter()
+    formatter.dateFormat = "yyyy_MM_dd_HH_mm_ss"
+    return formatter.string(from: Date())
+}()